RATING CERTIFICATE

YACHT DESCRIPTION

Name of Yacht: ROSEBUD of Dartmouth Photo 1 - Photo 2...
Request date : 2022-07-04
Launch year :2000
Designer : John Hesp
Design year : 2000
Builder : Hesp
Class name : One off
Usual place of sailing : London

Declared dimensions :
Lenght Over All (LH) = 11.00 m
Length on the Water Line (LWL) = 10.50 m
Max width (BH) = 3.50 m
TE Centerboard down = 2.30 m
TE centerboard up = 1.10 m
Displacement factor (FD) = 4.135

Correction factor calculation

Type of rig : gaffer cutter = 0.98
Hull: centerboarder
C2 = 0 Kref = 0.184
C2a : 0.07
Performance group : Performance class 3 = 0
Vintage bonus (build): 2000 = 0.072
Vintage bonus (design): 2000 = 0.072
Cumulative vintage bonus: 0.144
Hull material : steel = 0.03
Mast material : wood/aluminium/steel = 0
Boom material : wood/aluminium/steel = 0
Mast or boom total penality (D.2.1.3.6) : 0
No mast change = 0
No spar change = 0
Sails material : type 2 = 0
Propeller type : tripale = -0.14
Winches ? : with = 0

Correction factor (C)= 1.063
GAFFERS
Foresail area: 34.35 m²
Staysail HLU = 8.20 ; HLP = 3.50
Jib HLU = 10.60 ; HLP = 3.50

GAFFERS
Main total area: 43.94 m²
Gaffer Mainsail
MAE = 9.70, MAH = 6.00,
MAU = 6.40, MAD = 8.00, MAF = 6.40
With Gaff topsail
FE = 5.40, FU = 7.60, FF = 5.40

No downwindsail

RATING ( Rc ): 11.4858

Time corrected Factor ( Ftc ): 0.9896

The delivery of a JCH certificate does not have to be understood as the elligibility of the boat to classic regattas.
Elligibility to a specific regatta is governed by the elligibility rules the organizers has decided and have displayed in the Notice of Race.

Certification commission :

Conseil JCH

Date of certificate :

2022-07-04

JCH commission member :

Costalas Peter

Certificate number :

7-042-3656